Home / 886,317.89-1,329,811.81-346,959.59

Finding the Fourth Proportional to 886,317.89, 1,329,811.81 and 346,959.59

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Solution

The fourth proportional to 886,317.89, 1,329,811.81 and 346,959.59 is: 520,570.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,317.89 : 1,329,811.81 = 346,959.59 : x
  2. Step 2: Convert to fraction form
    886,317.89/1,329,811.81 = 346,959.59/x
  3. Step 3: Cross multiply
    886,317.89x = 1,329,811.81 × 346,959.59
  4. Step 4: Simplify right side
    886,317.89x = 461,390,952,858.30
  5. Step 5: Solve for x
    x = 461,390,952,858.30/886,317.89
  6. Step 6: Final answer
    x = 520,570.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.